c-- ccc cck cco ccr ccu ckc cko co- coc cok coo cor cou crc crk cro crr cru cuc cuk cuo cur cuu kcc kck kcr kcu kkc kkk kkr kku koc kok koo kor kou krc krk kro krr kru kuc kuk kur kuu oc- occ ock oco ocr ocu okc okk oko okr oku oo- ooc ook ooo oor or- orc ork oro orr oru ou- ouc ouk ouo our rcc rco rcr rcu rkc rkk rko rku roc rok roo ror rou rrc rrk rrr rru ruc ruk ruo rur ruu ucc uck uco ucr ucu ukc ukk ukr uku uoc uok uoo uor ur- urc urk uro urr uru uuc uur uuu

cccc cccu ccoc ccrc ccuc ckck ckco ckoc ckoo ckor ckrc cock coco cocu cok- coko cook cor- corc cork coro corr couk cour crcc crcr crkc croc crok croo cror cruk cucc cuck cuk- curo curr kccc kcck kccr kccu kckc kckk kcko kckr kcor kcou kcrc kcro kcrr kcru kcuk kkck kkco kkcr kkkk kkoo kkor kkrc kkrk kkro kkrr kkuu kock kokc kokk koko kokr koku kooc kook kooo koor koou korc kork koro korr koru kour kouu krcc krco krcu krkc krkk krko krkr krku kroc krok kroo kror krrc krrk krro krrr kruc kruk krur kucc kuco kucr kukk kuku kuok kuoo kurk kuro kurr kuru kuuk kuur kuuu occc ocro ocrr ocur okcu okko okok okor okro okur oocr ooku oooo orco orko oro- orok oror orro oucc our- ouro ouu- rccc rocc rock roco rokk roko rokr roku rook roor rorc rork roro roru rouk rrrr ruck rukk ruku ruok rurc ruro ruru ucrc ukcc ukko ukok ukrc ukur uocc uor- uro- urok uroo uruk urur uuoc uuuu

c-cor ccccc co-co cocc- cocco cocur cokk- coro- couco couru crock croco crook crouk cruck cruor cucuk cuoco curro ko-ko kokko kokor kokou kokur kooru korck korku koror korro koruk krock kucuk kukko kukok kukur kurku kuruc kuruk occur ockro okkur okoc okoro okuku okuru ooooo oroco oruku oruro ouoro r-co- ro-ro rocco rocko rocor rocou rokkk rouko urour urucu uuork uuuuu

cocco- cococo coocoo cookoo corour coruco coruro courr- crocco cruro- cuckoo curour curror cururo k-rock kokoku kokoro kookoo korkor kororo koruru koukou kouoro kourou kukoc kurkcu kuroko kururu occour ookroo oooooo orrock orrour rococo rokkor rokuko rokuro roucou ruocco

cooccur corrour cou-cou currock kokocko kokorou kor-kor korkoro korucuk rococco

co-occur cocoroco corocoro cucurucu curucucu kukukuku kukuruku kurukuru rokkurro

couroucou koukourou roocoocoo

kouroukoro kukkurukuu rococococo

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